<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>

        <script>
            let arr = []
            // 数组里面不限制存什么类型  和python一样
            let names = [1, 2, 3, '小明']
            console.log(`names: ${names}`)
            console.log(names[0])
        </script>
    </body>
</html>